XML 36 R19.htm IDEA: XBRL DOCUMENT v2.4.1.9
MARKETABLE SECURITIES (Tables)
9 Months Ended
Jan. 31, 2015
Schedule of Marketable Securities [Table Text Block]
    January 31, 2015     April 30, 2014  
Certificate of deposits $ 100,341   $   —  
Mutual funds   252,434      
   Total $ 352,775   $   —